If f(x) =2x^2-2-10 what is the value of f(1) to the nearest tenth of necessary

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap

The first week samantha learned to read braille, she could read 10 words per minute. in the second week she increased her speed by 20%. in the third week she increased her speed again by another 25%. how many words could she read per minute by the third week? hurry and tell me!

What is the equivalent fraction for the following fraction using 5 as the multiplier? 1/2